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YSS York Space Systems Inc.

Industrials, filed as YORK SPACE SYSTEMS INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab

Bought by 1 manager in 2026 Q2, sold by 1

  • 1 Owner
  • $277K
  • 1 new 1 exit

In 2026 Q2 George Soros opened a position in York Space Systems, while Davidson Kempner Capital Management sold out.

Who owns YSS

Sorted by value, long equity only, as of 2026 Q2.

History
George Soros, Soros Fund Management <0.01% New <0.01% 11,245 $277K History
Davidson Kempner Capital Management exited 2026 Q2 Last 2026 Q1 0.01% Exit −0.01% 21,400 $474K History

1 current, 1 exited last period, options excluded

Weight bar: held both quarters added sold at this quarter’s reported price

Insider trades

Open-market buys and sales by YSS's executives, directors and 10% owners in the last 12 months, from their Form 4s

All YSS insider trades
  • $25.7M bought by 3 insiders
  • $18.6M sold by 1 insider outside a trading plan
  • None no planned (10b5-1) sales
  1. BlackRock Portfolio Management LLC 10% owner
    Sale
    $4.5M 401,674 shares at $11.30 2.4% of stake
    Traded Aug 6–7 Filed Aug 10
    ↗
  2. BlackRock Portfolio Management LLC 10% owner
    Sale
    $10.2M 674,604 shares at $15.15 3.8% of stake
    Traded Aug 4–5 Filed Aug 10
    ↗
  3. BlackRock Portfolio Management LLC 10% owner
    Sale
    $745K 49,328 shares at $15.11 0.3% of stake
    Traded Jul 31–Aug 3 Filed Aug 4
    ↗
  4. BlackRock Portfolio Management LLC 10% owner
    Sale
    $3.1M 204,213 shares at $15.22 1.1% of stake
    Traded Jul 29–30 Filed Jul 31
    ↗
  5. Tami A. Erwin Director
    Buy
    $100K 2,941 shares at $34.00 +3.8% to stake
    Traded Jan 30 Filed Feb 3
    ↗
  6. Tyler Letarte Director
    Buy
    $50K 1,470 shares at $34.00 New stake
    Traded Jan 30 Filed Feb 3
    ↗
  7. BlackRock Portfolio Management LLC 10% owner
    Buy
    $25.6M 752,500 shares at $34.00 +4.4% to stake
    Traded Jan 30 Filed Feb 3
    ↗

Also filed in the last 12 months, not counted as buying or selling: 14 stock grants.

SEC filings

Recent issuer filings from EDGAR, 18 shown.

Filed Form Detail Links
SCHEDULE 13G/A — Filing Doc
10-Q Filing Doc
8-K 2.02,9.01 Filing Doc
8-K 5.02,7.01,9.01 Filing Doc
8-K/A 3.02 Filing Doc
8-K 3.02 Filing Doc
SCHEDULE 13G — Filing Doc
SCHEDULE 13G — Filing Doc
10-Q Filing Doc
8-K 2.02,9.01 Filing Doc
SCHEDULE 13G — Filing Doc
8-K 1.01,3.02,9.01 Filing Doc
8-K 5.02 Filing Doc
10-K Filing Doc
8-K 2.02,9.01 Filing Doc
8-K 3.02 Filing Doc
424B4 Filing Doc
8-K 1.01,3.03,5.02,5.03,9.01 Filing Doc

Source: SEC EDGAR submissions, updated 4 days ago. All on EDGAR

Ownership over time

13Fs that reported it each quarter. Click a bar for that quarter’s holders.